android app added

android-chat-app/.gitignore

+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
+/.idea/

android-chat-app/app/.gitignore

+/build
\ No newline at end of file

android-chat-app/app/build.gradle

+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'com.google.devtools.ksp' version '1.6.10-1.0.2'
+    id 'com.google.gms.google-services'
+}
+
+kotlin {
+    sourceSets {
+        debug {
+            kotlin.srcDir("build/generated/ksp/debug/kotlin")
+        }
+        release {
+            kotlin.srcDir("build/generated/ksp/release/kotlin")
+        }
+    }
+}
+
+
+android {
+    compileSdk 31
+
+    defaultConfig {
+        applicationId "com.example.rasachatbotapp"
+        minSdk 23
+        targetSdk 31
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary true
+        }
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+        useIR = true
+    }
+    buildFeatures {
+        compose true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion compose_version
+        kotlinCompilerVersion '1.5.21'
+    }
+    packagingOptions {
+        resources {
+            excludes += '/META-INF/{AL2.0,LGPL2.1}'
+        }
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.core:core-ktx:1.6.0'
+    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'com.google.android.material:material:1.4.0'
+    implementation "androidx.compose.ui:ui:$compose_version"
+    implementation "androidx.compose.material:material:$compose_version"
+    implementation "androidx.compose.ui:ui-tooling-preview:$compose_version"
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'
+    implementation 'androidx.activity:activity-compose:1.3.1'
+    implementation 'com.android.volley:volley:1.2.0'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+    androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose_version"
+    debugImplementation "androidx.compose.ui:ui-tooling:$compose_version"
+
+    //retrofit
+    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
+    implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
+
+    // coil
+    implementation "io.coil-kt:coil-compose:$coil_version"
+    implementation "io.coil-kt:coil-video:$coil_version"
+
+    implementation 'io.github.raamcosta.compose-destinations:core:1.1.2-beta'
+    implementation platform('com.google.firebase:firebase-bom:30.5.0')
+    implementation 'com.google.firebase:firebase-analytics-ktx'
+
+    // When using the BoM, you don't specify versions in Firebase library dependencies
+    implementation 'com.google.firebase:firebase-auth-ktx'
+    implementation 'com.google.firebase:firebase-core'
+    implementation 'com.google.firebase:firebase-firestore-ktx'
+    
+    ksp 'io.github.raamcosta.compose-destinations:ksp:1.1.2-beta'
+}

android-chat-app/app/google-services.json

+{
+  "project_info": {
+    "project_number": "280728033556",
+    "project_id": "smartpillowsliit",
+    "storage_bucket": "smartpillowsliit.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:280728033556:android:dc99492735e258bfb14a01",
+        "android_client_info": {
+          "package_name": "com.example.rasachatbotapp"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "280728033556-2rn2qfa46qv6uksfltacqs255n0iabo9.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyBz7buYN9fGVzhYJf25oQ_lBq9YFm0eJjg"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "280728033556-2rn2qfa46qv6uksfltacqs255n0iabo9.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}
\ No newline at end of file

android-chat-app/app/proguard-rules.pro

+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
\ No newline at end of file

android-chat-app/app/src/androidTest/java/com/example/rasachatbotapp/ExampleInstrumentedTest.kt

+package com.example.rasachatbotapp
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.example.rasachatbotapp", appContext.packageName)
+    }
+}
\ No newline at end of file

android-chat-app/app/src/main/AndroidManifest.xml

+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.rasachatbotapp">
+
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.INTERNET"/>
+
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/sleep"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:usesCleartextTraffic="true"
+        android:windowSoftInputMode="adjustResize"
+        android:theme="@style/Theme.RasaChatbotApp">
+        <activity
+            android:name=".loginActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.RasaChatbotApp.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity android:name=".registerActivity"></activity>
+        <activity android:name=".MainActivity"></activity>
+
+    </application>
+
+</manifest>
\ No newline at end of file

android-chat-app/app/src/main/java/com/example/rasachatbotapp/MainActivity.kt

+package com.example.rasachatbotapp
+
+import android.content.Context
+import android.net.ConnectivityManager
+import android.os.Bundle
+import android.util.Log
+import android.view.WindowManager
+import android.widget.Toast
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.*
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.unit.dp
+import com.example.rasachatbotapp.network.Message
+import com.example.rasachatbotapp.ui.theme.RasaChatbotAppTheme
+import com.google.firebase.firestore.ktx.firestore
+import com.google.firebase.firestore.ktx.firestoreSettings
+import com.google.firebase.ktx.Firebase
+import com.ramcosta.composedestinations.DestinationsNavHost
+import com.ramcosta.composedestinations.annotation.Destination
+import com.ramcosta.composedestinations.navigation.DestinationsNavigator
+import java.security.Timestamp
+import java.util.*
+
+val viewModel = MainActivityViewModel()
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        window.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE)
+
+        setContent {
+            RasaChatbotAppTheme {
+                // A surface container using the 'background' color from the theme
+                Surface(color = MaterialTheme.colors.background) {
+                    DestinationsNavHost(navGraph = NavGraphs.root)
+                }
+            }
+        }
+
+        Log.d("chata","chata");
+        val username = "Chamodi@gmail.com"
+        // [START] load chat history from here
+        // [START get_firestore_instance]
+        val db = Firebase.firestore
+        // [END get_firestore_instance]
+
+        // [START set_firestore_settings]
+        val settings = firestoreSettings {
+            isPersistenceEnabled = true
+        }
+        db.firestoreSettings = settings
+        // [END set_firestore_settings]
+
+        // [START get_firestore_data]
+        db.collection(username)
+            .get()
+            .addOnSuccessListener { result ->
+                for (document in result) {
+                    Log.d("RASA", "${document.id} => ${document.data}")
+
+//                    val message = document.toObject<Message>();
+
+
+
+                    val dd = document.getDate("time")
+                    viewModel.addMessage(
+
+                        Message(
+                            text = document.get("text") as String?,
+                            recipient_id = document.get("recipient_id") as String,
+                            time = dd as Date,
+                            isOut = document.getBoolean("out") as Boolean,
+                            image = document.get("image") as String?
+                        )
+                    )
+                }
+            }
+            .addOnFailureListener { exception ->
+                Log.w("RASA", "Error getting documents.", exception)
+            }
+        // [END get_firestore_data]
+        // [END] load chat history end from here
+    }
+}
+
+@Destination(start = true)
+@Composable
+fun MainScreen(navigator: DestinationsNavigator) {
+    Log.d("RASA","sam is well")
+    val context = LocalContext.current
+    val connectivityManager =
+        context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
+    val activeNetwork = connectivityManager.activeNetworkInfo
+    viewModel._connectivityState.value = activeNetwork != null && activeNetwork.isConnected
+    Column(
+        modifier = Modifier.fillMaxSize(),
+        verticalArrangement = Arrangement.SpaceBetween
+    ) {
+        TopBarSection(
+            username = "SleepBot",
+            profile = painterResource(id = R.drawable.sleep),
+            isOnline = viewModel._connectivityState.value,
+            navigator = navigator
+        )
+        ChatSection(Modifier.weight(1f), viewModel, navigator = navigator)
+        MessageSection(viewModel)
+    }
+
+
+}
+
+@Composable
+fun MessageSection(
+    viewModel: MainActivityViewModel,
+) {
+    val context = LocalContext.current
+    Card(
+        modifier = Modifier
+            .fillMaxWidth(),
+        backgroundColor = Color.White,
+        elevation = 10.dp
+    ) {
+        OutlinedTextField(
+            placeholder = {
+                Text("Message..")
+            },
+            value = message.value,
+            onValueChange = {
+                message.value = it
+            },
+            shape = RoundedCornerShape(25.dp),
+            trailingIcon = {
+                Icon(
+                    painter = painterResource(id = R.drawable.ic_send),
+                    contentDescription = null,
+                    tint = MaterialTheme.colors.primary,
+                    modifier = Modifier.clickable {
+                        if (viewModel._connectivityState.value) {
+                            viewModel.sendMessagetoRasa(
+                                Message(
+                                    text = message.value,
+                                    recipient_id = viewModel.username,
+                                    time = Calendar.getInstance().time,
+                                    isOut = true
+                                )
+                            )
+                        } else {
+                            Toast.makeText(
+                                context,
+                                "Please connect to internet",
+                                Toast.LENGTH_SHORT
+                            ).show()
+                        }
+
+                        message.value = ""
+                    }
+                )
+            },
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(10.dp),
+        )
+    }
+}

android-chat-app/app/src/main/java/com/example/rasachatbotapp/MainActivityViewModel.kt

+package com.example.rasachatbotapp
+
+import android.util.Log
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.rasachatbotapp.network.Message
+import com.example.rasachatbotapp.network.rasaApiService
+import com.google.firebase.ktx.Firebase
+import kotlinx.coroutines.launch
+import java.util.*
+import com.google.firebase.firestore.ktx.firestore
+import com.google.firebase.firestore.ktx.firestoreSettings
+
+class MainActivityViewModel : ViewModel() {
+    private val message_list: MutableList<Message> = mutableStateListOf()
+    val messages: List<Message> = message_list
+
+    private val connectivityState = mutableStateOf(true)
+    val _connectivityState = connectivityState
+
+    val username = "Chamodi@gmail.com"
+
+    fun addMessage(message: Message) {
+        message_list.add(0, message)
+    }
+
+    fun sendMessagetoRasa(message: Message) {
+
+        // [START get_firestore_instance]
+        val db = Firebase.firestore
+        // [END get_firestore_instance]
+
+        // [START set_firestore_settings]
+        val settings = firestoreSettings {
+            isPersistenceEnabled = true
+        }
+        db.firestoreSettings = settings
+        // [END set_firestore_settings]
+
+
+
+
+
+        db.collection(username)
+            .add(message)
+            .addOnSuccessListener { documentReference ->
+                Log.d("RASA", "DocumentSnapshot added with ID: ${documentReference.id}")
+            }
+            .addOnFailureListener { e ->
+                Log.w("RASA", "Error adding document", e)
+            }
+        addMessage(message)
+        Log.d("RASA", "Sending message to RASA$message");
+        viewModelScope.launch {
+            val response = rasaApiService.sendMessage(message)
+            Log.e("Message", response.toString())
+            if (response.code() == 200 && response.body() != null) {
+                response.body()!!.forEach {
+                    it.time = Calendar.getInstance().time
+                    Log.d("RASA", "Sending message to RASA$it");
+                    db.collection(username)
+                        .add(it)
+                        .addOnSuccessListener { documentReference ->
+                            Log.d("RASA", "DocumentSnapshot added with ID: ${documentReference.id}")
+                        }
+                        .addOnFailureListener { e ->
+                            Log.w("RASA", "Error adding document", e)
+                        }
+                    addMessage(it)
+                }
+            } else {
+                addMessage(
+                    Message(
+                        "${response.code()} error occured",
+                        "bot",
+                        Calendar.getInstance().time
+                    )
+                )
+            }
+        }
+    }
+
+
+}
\ No newline at end of file

android-chat-app/app/src/main/java/com/example/rasachatbotapp/WebView.kt

+package com.example.rasachatbotapp
+
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.activity.compose.BackHandler
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.viewinterop.AndroidView
+import com.ramcosta.composedestinations.annotation.Destination
+import com.ramcosta.composedestinations.navigation.DestinationsNavigator
+
+
+@Destination
+@Composable
+fun OpenUrl(
+    link: String,
+    navigator: DestinationsNavigator
+) {
+    val context = LocalContext.current
+    Column(modifier = Modifier.fillMaxSize()) {
+        TopBarSection(username = "Webview", navigator = navigator)
+        AndroidView(factory = {
+            WebView(context).apply {
+                webViewClient = WebViewClient()
+                loadUrl(link)
+            }
+        })
+        BackHandler(
+            enabled = true,
+            onBack = {
+                navigator.popBackStack()
+                openUrl.value = false
+            }
+        )
+
+    }
+
+}
\ No newline at end of file

android-chat-app/app/src/main/java/com/example/rasachatbotapp/loginActivity.kt

+package com.example.rasachatbotapp
+
+import android.app.ProgressDialog
+import android.content.Intent
+import android.os.Bundle
+import android.util.Log
+import android.view.View
+import android.widget.Button
+import android.widget.EditText
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import com.example.rasachatbotapp.R
+import com.example.rasachatbotapp.resources.Functions
+import com.google.firebase.auth.FirebaseAuth
+import com.google.firebase.auth.FirebaseUser
+import com.google.firebase.ktx.Firebase
+
+class loginActivity : AppCompatActivity() {
+
+    private var email : EditText? = null
+    private var password : EditText? = null
+    private var vistaPrincipal : View? = null
+    private var pDialog : ProgressDialog? = null
+    private lateinit var auth: FirebaseAuth
+
+
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.login_activity)
+
+        // Initialize Firebase Auth
+        auth = FirebaseAuth.getInstance();
+
+
+        // CASTING FROM VIEWS TO KOTLIN OBJECTS
+        email = findViewById(R.id.loginEmail) as EditText
+        password = findViewById(R.id.loginPassword) as EditText
+        vistaPrincipal = findViewById(R.id.drawer_layout_login) as View
+
+        var btLogin : Button = findViewById(R.id.btLogin) as Button
+        var btnLinkToRegisterScreen : Button = findViewById(R.id.btnLinkToRegisterScreen) as Button
+
+
+
+        // Progress dialog
+        pDialog = ProgressDialog(this)
+        pDialog?.setCancelable(false)
+
+        // Add the button register event when its clicked
+        btLogin.setOnClickListener {
+
+
+            // Hide the Keyboard
+            Functions.hideKeyboard(this.currentFocus, this)
+
+            // Collect the user input data
+            val e : String = email?.text.toString()
+            val p : String = password?.text.toString()
+
+            // Check if data its OK
+            if(!e.isEmpty() && !p.isEmpty())
+            {
+                try
+                {
+                    // Try to login
+                    auth.signInWithEmailAndPassword(e, p)
+                        .addOnCompleteListener(this) { task ->
+                            if (task.isSuccessful) {
+                                // Sign in success, update UI with the signed-in user's information
+                                Log.d(TAG, "signInWithEmail:success")
+                                Toast.makeText(baseContext, "signInWithEmail:success",
+                                    Toast.LENGTH_SHORT).show()
+                                var intent : Intent = Intent(this, MainActivity::class.java)
+                                startActivity(intent)
+                                val user = auth.currentUser
+//                                updateUI(user)
+                            } else {
+                                // If sign in fails, display a message to the user.
+                                Log.w(TAG, "signInWithEmail:failure", task.exception)
+                                Toast.makeText(baseContext, "Authentication failed.",
+                                    Toast.LENGTH_SHORT).show()
+//                                updateUI(null)
+                            }
+                        }
+                }
+                catch(excp : Exception)
+                {
+                    excp.printStackTrace()
+                }
+            }
+            else
+            {
+                // Show the error to the user
+                Functions.showSnackbar(vistaPrincipal!!, getString(R.string.Wrong_Credentials))
+            }
+        }
+
+        // Add the link to register activity
+        btnLinkToRegisterScreen.setOnClickListener {
+            var intent : Intent = Intent(this, registerActivity::class.java)
+            startActivity(intent)
+        }
+
+    }
+
+    // [START on_start_check_user]
+    public override fun onStart() {
+        super.onStart()
+        // Check if user is signed in (non-null) and update UI accordingly.
+        val currentUser = auth.currentUser
+        if(currentUser != null){
+            Functions.showSnackbar(vistaPrincipal!!, "User available")
+            var intent : Intent = Intent(this, MainActivity::class.java)
+            startActivity(intent)
+        }else{
+            Functions.showSnackbar(vistaPrincipal!!, "User not available")
+        }
+    }
+    // [END on_start_check_user]
+
+    /**
+     * Method to try to login the user
+     * @param email : User email
+     * @param password : User password
+     */
+    private fun attemptToLogin(email : String, password : String)
+    {
+
+
+    }
+
+
+
+
+
+
+    private fun getDescriptionError(codError : String): String
+    {
+        var description : String = ""
+
+        when(codError) {
+            "Wrong_Credentials" -> description = getString(R.string.Wrong_Credentials)
+            "ErrorPostParamsMissing" -> description = getString(R.string.ErrorPostParamsMissing)
+        }
+
+        return description
+    }
+
+    /**
+     * Method to clean the user inputs
+     */
+    private fun cleanInputs()
+    {
+        email?.setText("")
+        password?.setText("")
+    }
+
+    companion object {
+        private const val TAG = "EmailPassword"
+    }
+}

android-chat-app/app/src/main/java/com/example/rasachatbotapp/network/Message.kt

+package com.example.rasachatbotapp.network
+
+import java.util.*
+
+
+data class Message(
+    var text: String? = null,
+    var recipient_id: String,
+    var time: Date = Calendar.getInstance().time,
+    var image: String? = "",
+    var isOut: Boolean = false,
+    var buttons: List<RasaButton>? = null,
+    var carousels: List<Carousel>? = null
+)
+
+data class RasaButton(
+    val title: String,
+    val payload: String
+)
+
+data class Carousel(
+    val image: String,
+    val title: String,
+    val subtitle: String,
+    val button: RasaButton? = null,
+    val link: UrlButton? = null
+)
+
+data class UrlButton(
+    val title: String,
+    val link: String
+)
\ No newline at end of file

android-chat-app/app/src/main/java/com/example/rasachatbotapp/network/RasaApiService.kt

+package com.example.rasachatbotapp.network
+
+import androidx.compose.runtime.snapshots.SnapshotStateList
+import retrofit2.Response
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import retrofit2.http.Body
+import retrofit2.http.POST
+
+
+private val retrofit = Retrofit.Builder()
+    .baseUrl("http://34.172.159.248:3004/")
+    .addConverterFactory(GsonConverterFactory.create())
+    .build()
+
+val rasaApiService = retrofit.create(RasaApiService::class.java)
+
+interface RasaApiService {
+    @POST("webhooks/rest/webhook")
+    suspend fun sendMessage(
+        @Body message: Message
+    ): Response<SnapshotStateList<Message>>
+}
\ No newline at end of file

android-chat-app/app/src/main/java/com/example/rasachatbotapp/registerActivity.kt

+package com.example.rasachatbotapp
+
+import android.app.ProgressDialog
+import android.content.Intent
+import android.os.Bundle
+import android.util.Log
+import android.view.View
+import android.widget.Button
+import android.widget.EditText
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import com.example.rasachatbotapp.R
+import com.example.rasachatbotapp.resources.Functions
+import com.google.firebase.auth.FirebaseAuth
+import com.google.firebase.auth.FirebaseUser
+import com.google.firebase.ktx.Firebase
+
+class registerActivity : AppCompatActivity() {
+
+    private var name : EditText? = null
+    private var email : EditText? = null
+    private var password : EditText? = null
+    private var pDialog : ProgressDialog? = null
+    private var vistaPrincipal : View? = null
+    private lateinit var auth: FirebaseAuth
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.register_activity)
+
+        // Initialize Firebase Auth
+        auth = FirebaseAuth.getInstance();
+
+        // CASTING FROM VIEWS TO KOTLIN OBJECTS
+        name = findViewById(R.id.register_name) as EditText
+        email = findViewById(R.id.register_email) as EditText
+        password = findViewById(R.id.register_password) as EditText
+        vistaPrincipal = findViewById(R.id.drawer_layout_register) as View
+
+        var btnRegister : Button = findViewById(R.id.btRegistrarse) as Button
+        var btnLinkToLogin : Button = findViewById(R.id.btnLinkToLogIn) as Button
+
+
+
+        // Progress Dialog
+        pDialog = ProgressDialog(this)
+        pDialog?.setCancelable(false)
+
+        // Add the button register event when its clicked
+        btnRegister.setOnClickListener {
+
+            // Hide the virtual keyboard
+            Functions.hideKeyboard(this.currentFocus, this)
+
+            // Collect the user data
+            val n : String = name?.text.toString()
+            val e : String = email?.text.toString()
+            val p : String = password?.text.toString()
+
+            // Check if data its OK
+            if(!n.isEmpty() && !e.isEmpty() && !p.isEmpty())
+            {
+                try {
+
+                    // Try to register
+                    attemptToRegister(n, e, p)
+                }
+                catch (excp : Exception)
+                {
+                    excp.printStackTrace()
+                }
+            }
+            else
+            {
+                // Show error message, we need all the user information filled
+//                Functions.showSnackbar(vistaPrincipal!!, getString(R.string.errorFaltanDatos))
+            }
+
+        }
+
+        // Add the link to login activity
+        btnLinkToLogin.setOnClickListener {
+            var intent : Intent = Intent(this, loginActivity::class.java)
+            startActivity(intent)
+        }
+    }
+
+    /**
+     * Method to register the user
+     * @param name : Username
+     * @param email : User email
+     * @param password : User password
+     */
+    private fun attemptToRegister(name : String, email : String, password : String)
+    {
+        auth.createUserWithEmailAndPassword(email, password)
+            .addOnCompleteListener(this) { task ->
+                if (task.isSuccessful) {
+                    // Sign in success, update UI with the signed-in user's information
+                    Log.d(TAG, "createUserWithEmail:success")
+                    Toast.makeText(baseContext, "createUserWithEmail:success",
+                        Toast.LENGTH_SHORT).show()
+                    val user = auth.currentUser
+//                    updateUI(user)
+                } else {
+                    // If sign in fails, display a message to the user.
+                    Log.w(TAG, "createUserWithEmail:failure", task.exception)
+                    Toast.makeText(baseContext, "Authentication failed.",
+                        Toast.LENGTH_SHORT).show()
+//                    updateUI(null)
+                }
+            }
+
+    }
+
+
+
+    private fun getDescriptionError(codError : String): String
+    {
+        var description : String = ""
+
+        when(codError) {
+            "UnknownErrorRegistration" -> description = getString(R.string.UnknownErrorRegistration)
+            "ErrorPostParamsMissing" -> description = getString(R.string.ErrorPostParamsMissing)
+            "UserAlreadyExist" -> description = getString(R.string.UserAlreadyExist)
+        }
+
+        return description
+    }
+
+    /**
+     * Method to clean the user inputs
+     */
+    private fun cleanInputs()
+    {
+        this.name?.setText("")
+        this.email?.setText("")
+        this.password?.setText("")
+    }
+
+    companion object {
+        private const val TAG = "EmailPassword"
+    }
+}

android-chat-app/app/src/main/java/com/example/rasachatbotapp/resources/Functions.kt

+package com.example.rasachatbotapp.resources
+
+import android.app.Activity
+import android.content.Context
+import android.view.View
+import android.view.inputmethod.InputMethodManager
+import com.google.android.material.snackbar.Snackbar
+
+
+class Functions {
+
+    // Static variables and functions of the class
+    companion object {
+
+        /**
+         * Method to hide the keyboard when you don't need it
+         * @param currentFocus : actual focus view
+         * @param context : actul context of the application normally use 'this' parameter
+         */
+        fun hideKeyboard(currentFocus: View?, context: Context)
+        {
+            val view = currentFocus
+            if(view != null)
+            {
+                val imm = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
+                imm.hideSoftInputFromWindow(view.windowToken, 0)
+            }
+        }
+
+
+        /**
+         * Lanzar mensaje en forma de SnackBar
+         * @param view : vista actual
+         * @param layoutID : identificador del DrawerLayout
+         * @param message : mensaje que mostrar
+         */
+        fun showSnackbar(view : View, message : String)
+        {
+            Snackbar.make(view, message, Snackbar.LENGTH_LONG).show()
+        }
+    }
+}
\ No newline at end of file

android-chat-app/app/src/main/java/com/example/rasachatbotapp/ui/theme/Color.kt

+package com.example.rasachatbotapp.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple200 = Color(0xFFBB86FC)
+val Purple500 = Color(0xFF6200EE)
+val Purple700 = Color(0xFF3700B3)
+val Teal200 = Color(0xFF03DAC5)
\ No newline at end of file

android-chat-app/app/src/main/java/com/example/rasachatbotapp/ui/theme/Shape.kt

+package com.example.rasachatbotapp.ui.theme
+
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.Shapes
+import androidx.compose.ui.unit.dp
+
+val Shapes = Shapes(
+    small = RoundedCornerShape(4.dp),
+    medium = RoundedCornerShape(4.dp),
+    large = RoundedCornerShape(0.dp)
+)
\ No newline at end of file

android-chat-app/app/src/main/java/com/example/rasachatbotapp/ui/theme/Theme.kt

+package com.example.rasachatbotapp.ui.theme
+
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.darkColors
+import androidx.compose.material.lightColors
+import androidx.compose.runtime.Composable
+
+private val DarkColorPalette = darkColors(
+    primary = Purple200,
+    primaryVariant = Purple700,
+    secondary = Teal200
+)
+
+private val LightColorPalette = lightColors(
+    primary = Purple500,
+    primaryVariant = Purple700,
+    secondary = Teal200
+
+    /* Other default colors to override
+    background = Color.White,
+    surface = Color.White,
+    onPrimary = Color.White,
+    onSecondary = Color.Black,
+    onBackground = Color.Black,
+    onSurface = Color.Black,
+    */
+)
+
+@Composable
+fun RasaChatbotAppTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    content: @Composable() () -> Unit
+) {
+    val colors = LightColorPalette
+
+    MaterialTheme(
+        colors = colors,
+        typography = Typography,
+        shapes = Shapes,
+        content = content
+    )
+}
\ No newline at end of file

android-chat-app/app/src/main/java/com/example/rasachatbotapp/ui/theme/Type.kt

+package com.example.rasachatbotapp.ui.theme
+
+import androidx.compose.material.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+    body1 = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp
+    )
+    /* Other default text styles to override
+    button = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.W500,
+        fontSize = 14.sp
+    ),
+    caption = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 12.sp
+    )
+    */
+)
\ No newline at end of file

android-chat-app/app/src/main/res/drawable-v24/ic_launcher_foreground.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
\ No newline at end of file

android-chat-app/app/src/main/res/drawable/ic_launcher_background.xml

+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

android-chat-app/app/src/main/res/drawable/ic_send.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M5.4099,21.7492C4.2899,21.7492 3.58,21.3692 3.13,20.9192C2.2499,20.0392 1.63,18.1692 3.61,14.1992L4.4799,12.4692C4.59,12.2392 4.59,11.7592 4.4799,11.5292L3.61,9.7992C1.62,5.8292 2.2499,3.9492 3.13,3.0792C3.9999,2.1992 5.88,1.5692 9.8399,3.5592L18.3999,7.8392C20.5299,8.8992 21.6999,10.3792 21.6999,11.9992C21.6999,13.6192 20.5299,15.0992 18.4099,16.1592L9.8499,20.4392C7.9099,21.4092 6.47,21.7492 5.4099,21.7492ZM5.4099,3.7492C4.8699,3.7492 4.45,3.8792 4.1899,4.1392C3.4599,4.8592 3.7499,6.7292 4.95,9.1192L5.82,10.8592C6.1399,11.5092 6.1399,12.4892 5.82,13.1392L4.95,14.8692C3.7499,17.2692 3.4599,19.1292 4.1899,19.8492C4.9099,20.5792 6.78,20.2892 9.1799,19.0892L17.7399,14.8092C19.3099,14.0292 20.1999,12.9992 20.1999,11.9892C20.1999,10.9792 19.2999,9.9492 17.7299,9.1692L9.1699,4.8992C7.65,4.1392 6.34,3.7492 5.4099,3.7492Z"
+      android:fillColor="#292D32"/>
+  <path
+      android:pathData="M10.8395,12.75H5.4394C5.0294,12.75 4.6894,12.41 4.6894,12C4.6894,11.59 5.0294,11.25 5.4394,11.25H10.8395C11.2495,11.25 11.5895,11.59 11.5895,12C11.5895,12.41 11.2495,12.75 10.8395,12.75Z"
+      android:fillColor="#292D32"/>
+</vector>

android-chat-app/app/src/main/res/layout/drawer_header.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="150dp"
+    android:background="?attr/colorPrimaryDark"
+    android:padding="16dp"
+    android:theme="@style/ThemeOverlay.AppCompat.Dark"
+    android:gravity="bottom">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/descrMenu"
+        android:textAppearance="@style/TextAppearance.AppCompat.Body1"/>
+
+</LinearLayout>
\ No newline at end of file

android-chat-app/app/src/main/res/layout/login_activity.xml

+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".loginActivity"
+    android:background="@drawable/sleep"
+    >
+
+    <androidx.drawerlayout.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:id="@+id/drawer_layout_login"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fitsSystemWindows="true">
+
+        <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+<!--            <androidx.appcompat.widget.Toolbar-->
+<!--                android:id="@+id/login_toolbar"-->
+<!--                android:layout_width="match_parent"-->
+<!--                android:layout_height="?attr/actionBarSize"-->
+<!--                android:background="@color/primary"-->
+<!--                android:theme="@style/ThemeOverlay.AppCompat.Dark">-->
+
+<!--                <TextView-->
+<!--                    android:id="@+id/toolbar_title"-->
+<!--                    android:layout_width="wrap_content"-->
+<!--                    android:layout_height="wrap_content"-->
+<!--                    android:layout_gravity="center"-->
+<!--                    android:text="@string/loginToolbar"-->
+<!--                    android:textColor="@color/white"-->
+<!--                    android:textSize="18dp"-->
+<!--                    android:textStyle="bold" />-->
+
+<!--            </androidx.appcompat.widget.Toolbar>-->
+
+
+            <!-- ALL THE LOGIN -->
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="50dp"
+                android:orientation="vertical"
+                android:paddingLeft="@dimen/activity_horizontal_margin"
+                android:paddingTop="@dimen/activity_vertical_margin"
+                android:paddingRight="@dimen/activity_horizontal_margin"
+                android:paddingBottom="@dimen/activity_vertical_margin">
+
+                <!-- ENTER USERNAME -->
+                <EditText
+                    android:id="@+id/loginEmail"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:hint="@string/email"
+                    android:textColorHint="@color/white"
+                    android:inputType="text" />
+
+                <!-- ENTER PASSWORD -->
+                <EditText
+                    android:id="@+id/loginPassword"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:hint="@string/passWord"
+                    android:textColorHint="@color/white"
+                    android:inputType="textPassword" />
+
+                <!-- BUTTON FOR START THE LOGIN -->
+                <androidx.appcompat.widget.ButtonBarLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:layout_marginTop="20dp">
+
+                    <Button
+                        android:id="@+id/btLogin"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:text="@string/btLogIn"
+                        android:theme="@style/AppTheme.Button2" />
+
+                </androidx.appcompat.widget.ButtonBarLayout>
+
+                <!-- BUTTON FOR CHANGE TO THE REGISTER LAYOUT -->
+                <androidx.appcompat.widget.ButtonBarLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:layout_marginTop="25dp">
+
+                    <Button
+                        android:id="@+id/btnLinkToRegisterScreen"
+                        android:layout_width="fill_parent"
+                        android:layout_height="wrap_content"
+                        android:background="@null"
+                        android:text="@string/btn_link_to_register"
+                        android:textAllCaps="false"
+                        android:textColor="#FFFFFF"
+                        android:textSize="15dp" />
+
+                </androidx.appcompat.widget.ButtonBarLayout>
+
+            </LinearLayout>
+
+        </RelativeLayout>
+
+    </androidx.drawerlayout.widget.DrawerLayout>
+
+
+</RelativeLayout>
+

android-chat-app/app/src/main/res/layout/register_activity.xml

+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".registerActivity">
+
+    <androidx.drawerlayout.widget.DrawerLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:id="@+id/drawer_layout_register"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fitsSystemWindows="true">
+
+        <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <androidx.appcompat.widget.Toolbar
+                android:id="@+id/register_toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="?attr/actionBarSize"
+                android:background="?attr/colorPrimary"
+                android:theme="@style/ThemeOverlay.AppCompat.Dark">
+
+                <TextView
+                    android:id="@+id/toolbar_title_register"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:text="@string/registerToolbar"
+                    android:textColor="@color/white"
+                    android:textSize="18dp"
+                    android:textStyle="bold" />
+
+            </androidx.appcompat.widget.Toolbar>
+
+            <!-- ALL THE REGISTER -->
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:paddingBottom="@dimen/activity_vertical_margin"
+                android:paddingLeft="@dimen/activity_horizontal_margin"
+                android:paddingRight="@dimen/activity_horizontal_margin"
+                android:paddingTop="@dimen/activity_vertical_margin"
+                android:layout_marginTop="50dp"
+                android:layout_below="@id/register_toolbar"
+                android:orientation="vertical">
+
+                <!-- ENTER NAME -->
+                    <EditText
+                        android:id="@+id/register_name"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:inputType="text"
+                        android:hint="@string/name"/>
+
+                <!-- ENTER EMAIL -->
+                    <EditText
+                        android:id="@+id/register_email"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:inputType="textEmailAddress"
+                        android:hint="@string/email"/>
+
+                <!-- ENTER PASSWORD -->
+                    <EditText
+                        android:id="@+id/register_password"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:inputType="textPassword"
+                        android:hint="@string/passWord"/>
+
+                <!-- BUTTON FOR START THE REGISTER -->
+                <androidx.appcompat.widget.ButtonBarLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:layout_marginTop="20dp">
+
+                    <Button
+                        android:id="@+id/btRegistrarse"
+                        android:theme="@style/AppTheme.Button2"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:text="@string/btRegister"/>
+
+                </androidx.appcompat.widget.ButtonBarLayout>
+
+                <!-- BUTTON FOR CHANGE TO THE LOGIN LAYOUT -->
+                <androidx.appcompat.widget.ButtonBarLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:layout_marginTop="25dp">
+
+                    <Button
+                        android:id="@+id/btnLinkToLogIn"
+                        android:layout_width="fill_parent"
+                        android:layout_height="wrap_content"
+                        android:background="@null"
+                        android:text="@string/btn_link_to_login"
+                        android:textAllCaps="false"
+                        android:textSize="15dp"
+                        android:textColor="#FFFFFF"/>
+
+                </androidx.appcompat.widget.ButtonBarLayout>
+
+            </LinearLayout>
+
+        </RelativeLayout>
+
+    </androidx.drawerlayout.widget.DrawerLayout>
+
+</RelativeLayout>

android-chat-app/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file

android-chat-app/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file

android-chat-app/app/src/main/res/values-night/themes.xml

+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.RasaChatbotApp" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>
\ No newline at end of file

android-chat-app/app/src/main/res/values/colors.xml

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#652FDF</color>
+    <color name="teal_200">#01655B</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="primary">#3F51B5</color>
+    <color name="primary_dark">#303F9F</color>
+    <color name="accent">#FF4081</color>
+    <color name="blueMaterial">#1565c0</color>
+    <color name="white">#ffffff</color>
+</resources>
\ No newline at end of file

android-chat-app/app/src/main/res/values/dimens.xml

+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>
\ No newline at end of file

android-chat-app/app/src/main/res/values/strings.xml

+<resources>
+    <string name="app_name">Sleep Bot</string>
+    <string name="descrMenu">Menu</string>
+    <string name="updateInfo">Update Info</string>
+    <string name="loginToolbar">login</string>
+    <string name="name">Name</string>
+    <string name="email">Email</string>
+    <string name="passWord">Password</string>
+    <string name="btLogIn">Login</string>
+    <string name="startingLogin">Logging in...</string>
+    <string name="userNotEnabled">User Not Enabled</string>
+    <string name="incorrectPassword">Incorrect Password</string>
+    <string name="usernameNotExist">Username is not exists</string>
+    <string name="btn_link_to_register">Not a member? Register now.</string>
+    <string name="registerToolbar">Register</string>
+    <string name="confirmPassword">Confirm Password</string>
+    <string name="btRegister">Check in</string>
+    <string name="btn_link_to_login">Already a member? So sign in.</string>
+    <string name="RegisterOk">Registered, you can now log in with your user</string>
+    <string name="passwordNoCoincide">Passwords do not match</string>
+    <string name="errorAlRegistrar">Error registering user</string>
+    <string name="errorUserAlredyExists">Error, the user already exists with that email</string>
+    <string name="UnknownErrorRegistration">Unknown error registering</string>
+    <string name="ErrorPostParamsMissing">Error, missing POST parameters in HTTP request</string>
+    <string name="UserAlreadyExist">Error, user already exists</string>
+    <string name="Wrong_Credentials">wrong credentials</string>
+    <string name="Session_Started">logged in</string>
+</resources>
\ No newline at end of file

android-chat-app/app/src/main/res/values/styles.xml

+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/primary</item>
+        <item name="colorPrimaryDark">@color/primary_dark</item>
+        <item name="colorAccent">@color/primary</item>
+    </style>
+
+    <style name="AppTheme.Button2" parent="Widget.AppCompat.Button.Colored">
+        <item name="colorButtonNormal">@color/blueMaterial</item>
+        <item name="android:textColor">@color/white</item>
+    </style>
+
+</resources>

android-chat-app/app/src/main/res/values/themes.xml

+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.RasaChatbotApp" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+
+    <style name="Theme.RasaChatbotApp.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="Theme.RasaChatbotApp.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <style name="Theme.RasaChatbotApp.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+</resources>
\ No newline at end of file

android-chat-app/app/src/test/java/com/example/rasachatbotapp/ExampleUnitTest.kt

+package com.example.rasachatbotapp
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}
\ No newline at end of file

android-chat-app/build.gradle

+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    ext {
+        compose_version = '1.1.0-rc01'
+        coil_version = "1.3.2"
+    }
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath "com.android.tools.build:gradle:7.0.2"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.6.0"
+        classpath 'com.google.gms:google-services:4.3.13'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
\ No newline at end of file

android-chat-app/gradle.properties

+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
\ No newline at end of file

android-chat-app/gradle/wrapper/gradle-wrapper.properties

+#Sun Oct 17 15:39:53 IST 2021
+distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip
+distributionPath=wrapper/dists
+zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME

android-chat-app/gradlew

+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

android-chat-app/gradlew.bat

+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

android-chat-app/settings.gradle

+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+        jcenter() // Warning: this repository is going to shut down soon
+    }
+}
+rootProject.name = "Rasa chatbot app"
+include ':app'